My error is following, I cannot install Rmarkdown:
** Installing R Package Dependencies for R Markdown: 'Rcpp', 'base64enc', 'htmltools', 'jsonlite', 'knitr', 'mime', 'rmarkdown', 'stringi', 'stringr', 'tinytex', 'xfun', 'yaml'
[1/12] Installing Rcpp...
downloaded 3.1 MB
package 'Rcpp' successfully unpacked and MD5 sums checked
Error in unpackPkgZip(foundpkgs[okp, 2L], foundpkgs[okp, 1L], lib, libs_only, :
ERROR: failed to lock directory '\ad.monash.edu\home\User079\hpha0021\Documents\R\R-4.0.2\library' for modifying
Try removing '\ad.monash.edu\home\User079\hpha0021\Documents\R\R-4.0.2\library/00LOCK'
Calls: sourceWithProgress ... eval -> -> .install.winbinary -> unpackPkgZip
Execution halted